VueJs判断时间是上午还是下午、晚上 
    created() {
      this.myNoonTip();
    },
     myNoonTip(){
      const that = this
      const date = new Date()
      const hour = date.getHours();
      console.log("现在时间是:"+hour+"点!")
      if (hour >= 0 && hour < 12) {
        that.noonTip = '上午好'
      }
      else if(hour===12){
        that.noonTip = '中午好'
      }
      else if(hour  > 12 && hour < 18) {
        that.noonTip = '下午好'
      } else {
        that.noonTip = '晚上好'
      }
    }

效果

VueJs判断时间是上午还是下午、晚上_mysql